public override Task OnDisconnectedAsync(Exception exception)
{
try
{
if (Device != null)
{
_dataService.DeviceDisconnected(Device.ID);
Device.IsOnline = false;
var userIDs = _circuitManager.Connections.Select(x => x.User.Id);
var filteredUserIDs = _dataService.FilterUsersByDevicePermission(userIDs, Device.ID);
var connections = _circuitManager.Connections
.Where(x => x.User.OrganizationID == Device.OrganizationID &&
filteredUserIDs.Contains(x.User.Id));
foreach (var connection in connections)
{
connection.InvokeCircuitEvent(CircuitEventName.DeviceWentOffline, Device);
}
}
return(base.OnDisconnectedAsync(exception));
}
finally
{
ServiceConnections.TryRemove(Context.ConnectionId, out _);
}
}
public void Stop()
{
_ = Task.WhenAll(ServiceConnections.Select(c => c.Value.StopAsync()));
foreach (var connectionContext in ConnectionContexts)
{
connectionContext.Value.Application.Input.CancelPendingRead();
}
}
public Task <bool> DeviceCameOnline(Device device)
{
try
{
if (ServiceConnections.Any(x => x.Value.ID == device.ID))
{
DataService.WriteEvent(new EventLog()
{
EventType = EventType.Info,
OrganizationID = device.OrganizationID,
Message = $"Device connection for {device?.DeviceName} was denied because it is already connected."
});
return(Task.FromResult(false));
}
var ip = Context.GetHttpContext()?.Connection?.RemoteIpAddress;
if (ip != null && ip.IsIPv4MappedToIPv6)
{
ip = ip.MapToIPv4();
}
device.PublicIP = ip?.ToString();
if (DataService.AddOrUpdateDevice(device, out var updatedDevice))
{
Device = updatedDevice;
ServiceConnections.AddOrUpdate(Context.ConnectionId, Device, (id, d) => Device);
var userIDs = BrowserHub.ConnectionIdToUserLookup.Values.Select(x => x.Id);
var filteredUserIDs = DataService.FilterUsersByDevicePermission(userIDs, Device.ID);
var connectionIds = BrowserHub.ConnectionIdToUserLookup
.Where(x => x.Value.OrganizationID == Device.OrganizationID &&
filteredUserIDs.Contains(x.Value.Id))
.Select(x => x.Key)
.ToList();
BrowserHubContext.Clients.Clients(connectionIds).SendAsync("DeviceCameOnline", Device);
return(Task.FromResult(true));
}
else
{
// Organization wasn't found.
return(Task.FromResult(false));
}
}
catch (Exception ex)
{
DataService.WriteEvent(ex, Device?.OrganizationID);
}
Context.Abort();
return(Task.FromResult(false));
}
public async Task DeviceCameOnline(Device device)
{
try
{
if (ServiceConnections.Any(x => x.Value.ID == device.ID))
{
DataService.WriteEvent(new EventLog()
{
EventType = EventTypes.Info,
OrganizationID = device.OrganizationID,
Message = $"Device connection for {device?.DeviceName} was denied because it is already connected."
});
Context.Abort();
return;
}
device.IsOnline = true;
device.LastOnline = DateTime.Now;
Device = device;
if (DataService.AddOrUpdateDevice(device))
{
var failCount = 0;
while (!ServiceConnections.TryAdd(Context.ConnectionId, device))
{
if (failCount > 3)
{
Context.Abort();
return;
}
failCount++;
await Task.Delay(1000);
}
await this.Groups.AddToGroupAsync(this.Context.ConnectionId, device.OrganizationID);
await BrowserHub.Clients.Group(Device.OrganizationID).SendAsync("DeviceCameOnline", Device);
}
else
{
// Organization wasn't found.
await Clients.Caller.SendAsync("UninstallClient");
}
}
catch (Exception ex)
{
DataService.WriteEvent(ex);
throw;
}
}
public override async Task OnDisconnectedAsync(Exception exception)
{
if (Device != null)
{
DataService.DeviceDisconnected(Device.ID);
await this.Groups.RemoveFromGroupAsync(this.Context.ConnectionId, Device.OrganizationID);
Device.IsOnline = false;
await BrowserHub.Clients.Group(Device.OrganizationID).SendAsync("DeviceWentOffline", Device);
while (!ServiceConnections.TryRemove(Context.ConnectionId, out var device))
{
await Task.Delay(1000);
}
}
await base.OnDisconnectedAsync(exception);
}
public async Task DeviceCameOnline(Device device)
{
try
{
if (ServiceConnections.Any(x => x.Value.ID == device.ID))
{
DataService.WriteEvent(new EventLog()
{
EventType = EventTypes.Info,
OrganizationID = device.OrganizationID,
Message = $"Device connection for {device?.DeviceName} was denied because it is already connected."
});
Context.Abort();
return;
}
if (DataService.AddOrUpdateDevice(device, out var updatedDevice))
{
Device = updatedDevice;
ServiceConnections.AddOrUpdate(Context.ConnectionId, Device, (id, d) => Device);
var onlineOrganizationUsers = BrowserSocketHub.ConnectionIdToUserLookup
.Where(x => x.Value.OrganizationID == Device.OrganizationID);
var authorizedUsers = DataService.GetUsersWithAccessToDevice(onlineOrganizationUsers.Select(x => x.Value.Id), Device);
var connectionIds = onlineOrganizationUsers
.Where(onlineUser => authorizedUsers.Any(authorizedUser => authorizedUser.Id == onlineUser.Value.Id))
.Select(x => x.Key)
.ToList();
await BrowserHub.Clients.Clients(connectionIds).SendAsync("DeviceCameOnline", Device);
}
else
{
// Organization wasn't found.
await Clients.Caller.SendAsync("UninstallClient");
}
}
catch (Exception ex)
{
DataService.WriteEvent(ex);
throw;
}
}
public Task <bool> DeviceCameOnline(Device device)
{
try
{
if (ServiceConnections.Any(x => x.Value.ID == device.ID))
{
DataService.WriteEvent(new EventLog()
{
EventType = EventType.Info,
OrganizationID = device.OrganizationID,
Message = $"Device connection for {device?.DeviceName} was denied because it is already connected."
});
return(Task.FromResult(false));
}
if (DataService.AddOrUpdateDevice(device, out var updatedDevice))
{
Device = updatedDevice;
ServiceConnections.AddOrUpdate(Context.ConnectionId, Device, (id, d) => Device);
var connectionIds = BrowserSocketHub.ConnectionIdToUserLookup
.Where(x => x.Value.OrganizationID == Device.OrganizationID)
.Select(x => x.Key)
.ToList();
BrowserHub.Clients.Clients(connectionIds).SendAsync("DeviceCameOnline", Device);
return(Task.FromResult(true));
}
else
{
// Organization wasn't found.
return(Task.FromResult(false));
}
}
catch (Exception ex)
{
DataService.WriteEvent(ex);
}
Context.Abort();
return(Task.FromResult(false));
}
public override async Task OnDisconnectedAsync(Exception exception)
{
if (Device != null)
{
DataService.DeviceDisconnected(Device.ID);
Device.IsOnline = false;
var connectionIds = BrowserSocketHub.ConnectionIdToUserLookup
.Where(x => x.Value.OrganizationID == Device.OrganizationID)
.Select(x => x.Key)
.ToList();
await BrowserHub.Clients.Clients(connectionIds).SendAsync("DeviceWentOffline", Device);
ServiceConnections.Remove(Context.ConnectionId, out _);
}
await base.OnDisconnectedAsync(exception);
}
public async Task DeviceHeartbeat(Device device)
{
if (CheckForDeviceBan(device.ID, device.DeviceName))
{
return;
}
var ip = Context.GetHttpContext()?.Connection?.RemoteIpAddress;
if (ip != null && ip.IsIPv4MappedToIPv6)
{
ip = ip.MapToIPv4();
}
device.PublicIP = ip?.ToString();
if (CheckForDeviceBan(device.PublicIP))
{
return;
}
_dataService.AddOrUpdateDevice(device, out var updatedDevice);
Device = updatedDevice;
ServiceConnections.AddOrUpdate(Context.ConnectionId, Device, (id, d) => Device);
var userIDs = _circuitManager.Connections.Select(x => x.User.Id);
var filteredUserIDs = _dataService.FilterUsersByDevicePermission(userIDs, Device.ID);
var connections = _circuitManager.Connections
.Where(x => x.User.OrganizationID == Device.OrganizationID &&
filteredUserIDs.Contains(x.User.Id));
foreach (var connection in connections)
{
_ = connection.InvokeCircuitEvent(CircuitEventName.DeviceUpdate, Device);
}
await CheckForPendingSriptRuns();
}
public Task DeviceHeartbeat(Device device)
{
if (CheckForDeviceBan(device.ID, device.DeviceName))
{
return(Task.CompletedTask);
}
var ip = Context.GetHttpContext()?.Connection?.RemoteIpAddress;
if (ip != null && ip.IsIPv4MappedToIPv6)
{
ip = ip.MapToIPv4();
}
device.PublicIP = ip?.ToString();
if (CheckForDeviceBan(device.PublicIP))
{
return(Task.CompletedTask);
}
DataService.AddOrUpdateDevice(device, out var updatedDevice);
Device = updatedDevice;
ServiceConnections.AddOrUpdate(Context.ConnectionId, Device, (id, d) => Device);
var userIDs = BrowserHub.ConnectionIdToUserLookup.Values.Select(x => x.Id);
var filteredUserIDs = DataService.FilterUsersByDevicePermission(userIDs, Device.ID);
var connectionIds = BrowserHub.ConnectionIdToUserLookup
.Where(x => x.Value.OrganizationID == Device.OrganizationID &&
filteredUserIDs.Contains(x.Value.Id))
.Select(x => x.Key)
.ToList();
return(BrowserHubContext.Clients.Clients(connectionIds).SendAsync("DeviceHeartbeat", Device));
}
public override async Task OnDisconnectedAsync(Exception exception)
{
if (Device != null)
{
DataService.DeviceDisconnected(Device.ID);
Device.IsOnline = false;
var onlineOrganizationUsers = BrowserSocketHub.ConnectionIdToUserLookup
.Where(x => x.Value.OrganizationID == Device.OrganizationID);
var authorizedUsers = DataService.GetUsersWithAccessToDevice(onlineOrganizationUsers.Select(x => x.Value.Id), Device);
var connectionIds = onlineOrganizationUsers
.Where(onlineUser => authorizedUsers.Any(authorizedUser => authorizedUser.Id == onlineUser.Value.Id))
.Select(x => x.Key)
.ToList();
await BrowserHub.Clients.Clients(connectionIds).SendAsync("DeviceWentOffline", Device);
ServiceConnections.Remove(Context.ConnectionId, out _);
}
await base.OnDisconnectedAsync(exception);
}
public Task <bool> DeviceCameOnline(Device device)
{
try
{
if (CheckForDeviceBan(device.ID, device.DeviceName))
{
return(Task.FromResult(false));
}
if (ServiceConnections.Any(x => x.Value.ID == device.ID))
{
_dataService.WriteEvent(new EventLog()
{
EventType = EventType.Info,
OrganizationID = device.OrganizationID,
Message = $"Device connection for {device?.DeviceName} was denied because it is already connected."
});
return(Task.FromResult(false));
}
var ip = Context.GetHttpContext()?.Connection?.RemoteIpAddress;
if (ip != null && ip.IsIPv4MappedToIPv6)
{
ip = ip.MapToIPv4();
}
device.PublicIP = ip?.ToString();
if (CheckForDeviceBan(device.PublicIP))
{
return(Task.FromResult(false));
}
if (_dataService.AddOrUpdateDevice(device, out var updatedDevice))
{
Device = updatedDevice;
ServiceConnections.AddOrUpdate(Context.ConnectionId, Device, (id, d) => Device);
var userIDs = _circuitManager.Connections.Select(x => x.User.Id);
var filteredUserIDs = _dataService.FilterUsersByDevicePermission(userIDs, Device.ID);
var connections = _circuitManager.Connections
.Where(x => x.User.OrganizationID == Device.OrganizationID &&
filteredUserIDs.Contains(x.User.Id));
foreach (var connection in connections)
{
connection.InvokeCircuitEvent(CircuitEventName.DeviceUpdate, Device);
}
return(Task.FromResult(true));
}
else
{
// Organization wasn't found.
return(Task.FromResult(false));
}
}
catch (Exception ex)
{
_dataService.WriteEvent(ex, device?.OrganizationID);
}
Context.Abort();
return(Task.FromResult(false));
}